Dyfyniad APA

Toffler, A. (1983). Previews and premises. New York: William Morrow and Company.

Dyfyniad Arddull Chicago

Toffler, Alvin. Previews and Premises. New York: William Morrow and Company, 1983.

Dyfyniad MLA

Toffler, Alvin. Previews and Premises. New York: William Morrow and Company, 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.